Home / 39,421.28-59,139.70-14,461.54

Finding the Fourth Proportional to 39,421.28, 59,139.70 and 14,461.54

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Solution

The fourth proportional to 39,421.28, 59,139.70 and 14,461.54 is: 21,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.28 : 59,139.70 = 14,461.54 : x
  2. Step 2: Convert to fraction form
    39,421.28/59,139.70 = 14,461.54/x
  3. Step 3: Cross multiply
    39,421.28x = 59,139.70 × 14,461.54
  4. Step 4: Simplify right side
    39,421.28x = 855,251,034.48
  5. Step 5: Solve for x
    x = 855,251,034.48/39,421.28
  6. Step 6: Final answer
    x = 21,695.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.